According to official sources, the latest seeded iOS 7.1 Beta 3 Firmware (Build: 11D5127c) will be expired on Monday, February 10, 2014 @ 12AM (GMT) and after users can expect another iOS 7.1 beta build version from Apple i.e. iOS 7.1 Beta 4, iOS 7.1 Beta 5, iOS 7.1 Beta 6 firmwares and so on before the final official release of iOS 7.1 Final Firmware from Apple.

According to iOS-Jailbreak community and evad3rs team members sources "iH8sn0w", Evasi0n7 Jailbreak exploits didn’t patch by Apple yet through latest firmware, and still evasi0n7 can officially Jailbreak iOS 7.1 Beta 3, another good news is that an "Unofficial Evasi0n7 Jailbreak Tool" patched version released by some Russian developers i.e. “Smolk” is also capable enough to untethered Jailbreak iOS 7.1 Beta 3 firmware successfully on all the supported Apple devices. We have not our self yet tested it but if you're curios to download and install the "Unofficial Evasi0n7 Jailbreak Tool" patched version than you can grab it from following direct links.